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Mindless Sleep
Scientific American
|April 2026
Even without brains, sea anemones and jellyfish can sleep like humans do
Jellyfish like this one have neurons across their bodies that let them enter a sleeplike state.
JELLYFISH AND SEA ANEMONES are curious creatures: these organisms evolved without a brain and, as scientists discovered in the past several years, don't need one to sleep.
Diese Geschichte stammt aus der April 2026-Ausgabe von Scientific American.
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